<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>情人节快乐 ❤️</title>
    <style>
        body {
            background-color: pink;
            text-align: center;
            font-family: Arial, sans-serif;
        }
        h1 {
            color: red;
            font-size: 50px;
            margin-top: 100px;
        }
        p {
            font-size: 24px;
        }
        .heart {
            font-size: 100px;
            animation: heartbeat 1s infinite alternate;
        }
        @keyframes heartbeat {
            from {
                transform: scale(1);
            }
            to {
                transform: scale(1.2);
            }
        }
    </style>
</head>
<body>
    <h1>❤️ 情人节快乐！❤️</h1>
    <p>愿你的每一天都充满爱和欢乐！</p>
    <div class="heart">💖</div>
</body>
</html>
